1 /* 2 * Conditions Of Use 3 * 4 * This software was developed by employees of the National Institute of 5 * Standards and Technology (NIST), an agency of the Federal Government. 6 * Pursuant to title 15 Untied States Code Section 105, works of NIST 7 * employees are not subject to copyright protection in the United States 8 * and are considered to be in the public domain. As a result, a formal 9 * license is not needed to use the software. 10 * 11 * This software is provided by NIST as a service and is expressly 12 * provided "AS IS." NIST MAKES NO WARRANTY OF ANY KIND, EXPRESS, IMPLIED 13 * OR STATUTORY, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTY OF 14 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, NON-INFRINGEMENT 15 * AND DATA ACCURACY. NIST does not warrant or make any representations 16 * regarding the use of the software or the results thereof, including but 17 * not limited to the correctness, accuracy, reliability or usefulness of 18 * the software. 19 * 20 * Permission to use this software is contingent upon your acceptance 21 * of the terms of this agreement 22 * 23 * . 24 * 25 */ 26 package gov.nist.javax.sip.parser; 27 28 import gov.nist.javax.sip.header.*; 29 import gov.nist.core.*; 30 import java.text.ParseException; 31 32 /** 33 * Parser for Accept header. 34 * 35 * @version 1.2 $Revision: 1.7 $ $Date: 2009/07/17 18:57:56 $ 36 * 37 * @author Olivier Deruelle 38 * @author M. Ranganathan <br/> 39 * 40 * 41 */ 42 public class AcceptParser extends ParametersParser { 43 44 /** 45 * Creates a new instance of Accept Parser 46 * @param accept the header to parse 47 */ 48 public AcceptParser(String accept) { 49 super(accept); 50 } 51 52 /** 53 * Constructor 54 * @param lexer the lexer to use to parse the header 55 */ 56 protected AcceptParser(Lexer lexer) { 57 super(lexer); 58 } 59 60 /** 61 * parse the Accept String header 62 * @return SIPHeader (AcceptList object) 63 * @throws SIPParseException if the message does not respect the spec. 64 */ 65 public SIPHeader parse() throws ParseException { 66 67 if (debug) 68 dbg_enter("AcceptParser.parse"); 69 AcceptList list = new AcceptList(); 70 71 try { 72 headerName(TokenTypes.ACCEPT); 73 74 Accept accept = new Accept(); 75 accept.setHeaderName(SIPHeaderNames.ACCEPT); 76 77 this.lexer.SPorHT(); 78 this.lexer.match(TokenTypes.ID); 79 Token token = lexer.getNextToken(); 80 accept.setContentType(token.getTokenValue()); 81 this.lexer.match('/'); 82 this.lexer.match(TokenTypes.ID); 83 token = lexer.getNextToken(); 84 accept.setContentSubType(token.getTokenValue()); 85 this.lexer.SPorHT(); 86 87 super.parse(accept); 88 list.add(accept); 89 90 while (lexer.lookAhead(0) == ',') { 91 this.lexer.match(','); 92 this.lexer.SPorHT(); 93 94 accept = new Accept(); 95 96 this.lexer.match(TokenTypes.ID); 97 token = lexer.getNextToken(); 98 accept.setContentType(token.getTokenValue()); 99 this.lexer.match('/'); 100 this.lexer.match(TokenTypes.ID); 101 token = lexer.getNextToken(); 102 accept.setContentSubType(token.getTokenValue()); 103 this.lexer.SPorHT(); 104 super.parse(accept); 105 list.add(accept); 106 107 } 108 return list; 109 } finally { 110 if (debug) 111 dbg_leave("AcceptParser.parse"); 112 } 113 } 114 } 115 /* 116 * $Log: AcceptParser.java,v $ 117 * Revision 1.7 2009/07/17 18:57:56 emcho 118 * Converts indentation tabs to spaces so that we have a uniform indentation policy in the whole project. 119 * 120 * Revision 1.6 2006/07/13 09:02:16 mranga 121 * Issue number: 122 * Obtained from: 123 * Submitted by: jeroen van bemmel 124 * Reviewed by: mranga 125 * Moved some changes from jain-sip-1.2 to java.net 126 * 127 * CVS: ---------------------------------------------------------------------- 128 * CVS: Issue number: 129 * CVS: If this change addresses one or more issues, 130 * CVS: then enter the issue number(s) here. 131 * CVS: Obtained from: 132 * CVS: If this change has been taken from another system, 133 * CVS: then name the system in this line, otherwise delete it. 134 * CVS: Submitted by: 135 * CVS: If this code has been contributed to the project by someone else; i.e., 136 * CVS: they sent us a patch or a set of diffs, then include their name/email 137 * CVS: address here. If this is your work then delete this line. 138 * CVS: Reviewed by: 139 * CVS: If we are doing pre-commit code reviews and someone else has 140 * CVS: reviewed your changes, include their name(s) here. 141 * CVS: If you have not had it reviewed then delete this line. 142 * 143 * Revision 1.3 2006/06/19 06:47:27 mranga 144 * javadoc fixups 145 * 146 * Revision 1.2 2006/06/16 15:26:28 mranga 147 * Added NIST disclaimer to all public domain files. Clean up some javadoc. Fixed a leak 148 * 149 * Revision 1.1.1.1 2005/10/04 17:12:35 mranga 150 * 151 * Import 152 * 153 * 154 * Revision 1.4 2004/01/22 13:26:31 sverker 155 * Issue number: 156 * Obtained from: 157 * Submitted by: sverker 158 * Reviewed by: mranga 159 * 160 * Major reformat of code to conform with style guide. Resolved compiler and javadoc warnings. Added CVS tags. 161 * 162 * CVS: ---------------------------------------------------------------------- 163 * CVS: Issue number: 164 * CVS: If this change addresses one or more issues, 165 * CVS: then enter the issue number(s) here. 166 * CVS: Obtained from: 167 * CVS: If this change has been taken from another system, 168 * CVS: then name the system in this line, otherwise delete it. 169 * CVS: Submitted by: 170 * CVS: If this code has been contributed to the project by someone else; i.e., 171 * CVS: they sent us a patch or a set of diffs, then include their name/email 172 * CVS: address here. If this is your work then delete this line. 173 * CVS: Reviewed by: 174 * CVS: If we are doing pre-commit code reviews and someone else has 175 * CVS: reviewed your changes, include their name(s) here. 176 * CVS: If you have not had it reviewed then delete this line. 177 * 178 */ 179
